JPH0121544B2 - - Google Patents

Info

Publication number
JPH0121544B2
JPH0121544B2 JP55149157A JP14915780A JPH0121544B2 JP H0121544 B2 JPH0121544 B2 JP H0121544B2 JP 55149157 A JP55149157 A JP 55149157A JP 14915780 A JP14915780 A JP 14915780A JP H0121544 B2 JPH0121544 B2 JP H0121544B2
Authority
JP
Japan
Prior art keywords
recording
track
guide
laser beam
guide track
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP55149157A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5774853A (en
Inventor
Akira Takahashi
Kenji Oota
Hiroyuki Katayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to JP14915780A priority Critical patent/JPS5774853A/ja
Publication of JPS5774853A publication Critical patent/JPS5774853A/ja
Publication of JPH0121544B2 publication Critical patent/JPH0121544B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
JP14915780A 1980-10-23 1980-10-23 Magnetic optical recording device Granted JPS5774853A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14915780A JPS5774853A (en) 1980-10-23 1980-10-23 Magnetic optical recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14915780A JPS5774853A (en) 1980-10-23 1980-10-23 Magnetic optical recording device

Publications (2)

Publication Number Publication Date
JPS5774853A JPS5774853A (en) 1982-05-11
JPH0121544B2 true JPH0121544B2 (fr) 1989-04-21

Family

ID=15469029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14915780A Granted JPS5774853A (en) 1980-10-23 1980-10-23 Magnetic optical recording device

Country Status (1)

Country Link
JP (1) JPS5774853A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6129423A (ja) * 1984-07-20 1986-02-10 Matsushita Electric Ind Co Ltd 光記録媒体の記録再生方法
DE3732875A1 (de) * 1987-09-30 1989-04-20 Thomson Brandt Gmbh Optischer aufzeichnungstraeger

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231703A (en) * 1975-09-05 1977-03-10 Kokusai Denshin Denwa Co Ltd <Kdd> Magnetic thin film recording medium
JPS54130103A (en) * 1978-03-16 1979-10-09 Philips Nv Device for writing and reading information on recording carrier body and recording carrier body

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231703A (en) * 1975-09-05 1977-03-10 Kokusai Denshin Denwa Co Ltd <Kdd> Magnetic thin film recording medium
JPS54130103A (en) * 1978-03-16 1979-10-09 Philips Nv Device for writing and reading information on recording carrier body and recording carrier body

Also Published As

Publication number Publication date
JPS5774853A (en) 1982-05-11

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